Shoe insert



FIG. 1 is a front elevational view of a shoe insert, showing a first embodiment of our new design, the rear elevational view being a mirror image of that shown;

FIG. 2 is a right side elevational view, the left side elevational view being a mirror image of that shown;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of that shown; and,

FIG. 4 is a right side, rear and bottom perspective view thereof, the broken line showing of an athletic shoe being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a shoe insert, as shown and described. 